Debris believed to be from a military transport plane carrying 38 people that vanished two days ago en route to the Antarctic has been discovered in the frigid, treacherous waters between the icy continent and South America, Chile's Air Force said Wednesday.

Search crews are combing the Antarctic for a Chilean military transport plane carrying 38 people that vanished en route to a base on the frozen continent and will tirelessly press ahead as the hunt gains widening international support, officials said Tuesday.